A brush fire on Yerba Buena Island disrupted traffic on October 6, 2013.

A brush fire on Yerba Buena Island disrupted traffic on October 6, 2013.

Photo: Brandon Watson

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A brush fire on Yerba Buena Island disrupted traffic on October 6, 2013.

A brush fire on Yerba Buena Island disrupted traffic on October 6, 2013.

Photo: Brandon Watson

Image 3 of 3

Eastbound lanes reopened on Bay Bridge after fire

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(10-06) 23:30 PDT -- All eastbound lanes of the Bay Bridge were reopened Sunday night after a brush fire on Yerba Buena Island caused traffic to back up into San Francisco, according to the California Highway Patrol.

The fire, burning on the southern part of the island, was reported around 7:45 p.m and two eastbound lanes were closed just before the tunnel. By 10 p.m., all lanes were open, the CHP said. The Treasure Island offramp from westbound I-80 remained closed.

The blaze did not threaten any structures, and no injuries were reported, the CHP said. There was a report of fireworks in the vicinity before the blaze, and the cause of the fire was under investigation.